package 算法部分.无重复字符串最长子串;

import java.util.Hashtable;

/**
 * @Author linhao
 * @Date created in 11:20 下午 2020/12/28
 */
public class Demo {

    public static void main(String[] args) {
        Hashtable<String,String> hashtable = new Hashtable<>();
        hashtable.put("1","2");
    }
}
